91e87fb7f79c7f1445ba4ca4755e291887de777c04e30db2d6b265cf39dd3cef

General

Target

a96962bb6e87c502f0b803ef55e84d98_JaffaCakes118.exe
Size

53KB
MD5

a96962bb6e87c502f0b803ef55e84d98
SHA1

7e1c619a3d38e6d66838b43c1ed235394d5c034f
SHA256

91e87fb7f79c7f1445ba4ca4755e291887de777c04e30db2d6b265cf39dd3cef
SHA512

73fd8dc3dba5da976fb40c02d66e94ee9ea7f793edd85cf84e36ebc33b269132fe8521c7b6cf724f85a8261d68a548a82ac374f1d0218b101c345672e75e7c46
SSDEEP

768:6ffQs4i+LX7aaROIs6jkbxyZzuxGlr2T2ZSHZ/4lBXIeClrS6MIDoyOA:6ffd+Pa4QbxyNKwr74CIrgI

Score

7^/10

aspackv2 discovery persistence

Malware Config

Signatures

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x000d000000015cb8-11.dat	aspack_v212_v242

Deletes itself 1 IoCs

pid	Process
2632	calc.exe

Loads dropped DLL 4 IoCs

pid	Process
1188	rundll32.exe
1188	rundll32.exe
1188	rundll32.exe
1188	rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsNetDll = "rundll32.exe \"C:\\Users\\Admin\\Microsoft\\WindowsNetDll.dll\", Launch"	a96962bb6e87c502f0b803ef55e84d98_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2444 set thread context of 2632	2444	a96962bb6e87c502f0b803ef55e84d98_JaffaCakes118.exe	31

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a96962bb6e87c502f0b803ef55e84d98_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	calc.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 1188	2444	a96962bb6e87c502f0b803ef55e84d98_JaffaCakes118.exe	30
PID 2444 wrote to memory of 1188	2444	a96962bb6e87c502f0b803ef55e84d98_JaffaCakes118.exe	30
PID 2444 wrote to memory of 1188	2444	a96962bb6e87c502f0b803ef55e84d98_JaffaCakes118.exe	30
PID 2444 wrote to memory of 1188	2444	a96962bb6e87c502f0b803ef55e84d98_JaffaCakes118.exe	30
PID 2444 wrote to memory of 1188	2444	a96962bb6e87c502f0b803ef55e84d98_JaffaCakes118.exe	30
PID 2444 wrote to memory of 1188	2444	a96962bb6e87c502f0b803ef55e84d98_JaffaCakes118.exe	30
PID 2444 wrote to memory of 1188	2444	a96962bb6e87c502f0b803ef55e84d98_JaffaCakes118.exe	30
PID 2444 wrote to memory of 2632	2444	a96962bb6e87c502f0b803ef55e84d98_JaffaCakes118.exe	31
PID 2444 wrote to memory of 2632	2444	a96962bb6e87c502f0b803ef55e84d98_JaffaCakes118.exe	31
PID 2444 wrote to memory of 2632	2444	a96962bb6e87c502f0b803ef55e84d98_JaffaCakes118.exe	31
PID 2444 wrote to memory of 2632	2444	a96962bb6e87c502f0b803ef55e84d98_JaffaCakes118.exe	31
PID 2444 wrote to memory of 2632	2444	a96962bb6e87c502f0b803ef55e84d98_JaffaCakes118.exe	31
PID 2444 wrote to memory of 2632	2444	a96962bb6e87c502f0b803ef55e84d98_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\a96962bb6e87c502f0b803ef55e84d98_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a96962bb6e87c502f0b803ef55e84d98_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\Microsoft\WindowsNetDll.dll", Launch
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1188
- C:\Windows\SysWOW64\calc.exe
  calc.exe
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\Microsoft\WindowsNetDll.dll

Filesize
60KB

MD5
553413061aea24799ef226999245ad36

SHA1
7c544b7001ae7acb7481bbf00ef1f4b06f2915ba

SHA256
34c2eb866c106f09328097f445b3e000d2871b1d6693e2b2a490001b3eed92cf

SHA512
79fed64bd3338791cdf29c1e57bd700d2072aef473f198b6080f4a660d2d167f43ed3f903c3fad0caad1decaaac9ae1b51886399f3e1b3bd3ec67bb0affe1a87

Download Submit
memory/1188-13-0x0000000010000000-0x000000001004F000-memory.dmp

Filesize
316KB

Download
memory/1188-14-0x0000000010000000-0x000000001004F000-memory.dmp

Filesize
316KB

Download
memory/2444-1-0x0000000000020000-0x0000000000022000-memory.dmp

Filesize
8KB

Download
memory/2444-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2444-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2632-5-0x0000000000130000-0x00000000001B0000-memory.dmp

Filesize
512KB

Download
memory/2632-4-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads